Q1:What are the main products of your company?
Our main product is Micro-DC motor, DC gear motor, brushless DC motor, dc water pumps, dc air pumps, electric valve;
Q2:How can I contact Yingyi’s technical or sales support?
Q3：How do I order a custom product from YINGYI?
Please share your requirements with our sales email, they will help the reach your specification requirements.
Q4：How can I choose the most suitable micro pump?
If you understand what specification you need, you can send us your sample, or product. We will recommend suitable pumps.
Q5：What information can I get when I contact your sales engineers?
You can get what you want.
Q6：I order the same items frequently, can I get them shipped automatically on a regular basis?
Q7：What’s your delivery time?
Sample delivery time is 3-7 days, regular order leading time is 15-20 days.
Q8： My application requires an opening flow/pressure that is not listed on your charts, would it be possible to get a custom spring?
Yes, customized data is available.
Q9： Can I buy one micro pump directly from YINGYI?
Our MOQ is 500pcs, but a sample order is available.
Q10：Why is it necessary to know the size and length of tubing the micro pump will be connected to?
Because that will be helpful to suit your products.
Q11：Which micro pumps can I run dry?
The air pumps.
Q12：What is the maximum viscosity rating for micropumps?
It depends on what pump model you choose.
Q13：Do you have warranty for products?
Every products have done reliability test, you can find product lifetime in the spcification, if any products failed in the set time, we can replace you new.
Q14：What about the price level?
Q15：Why we find some prices are very high compared with some other suppliers, and from the picture or it’s a parameter, all look the same?
Please get our sample to check the quality.
Q16：What’s your payment term for the order?
T/T, Paypal, western union and LC, etc.
Q17：How to choose a suitable pump for your application?
1. Figure out what pumps you need, for air or water. For positive pressure or negative pressure?
2. Know the pump’s voltage, pressure, flow rate, working pattern, and lifetime.
3. Choose the right pump.
4. Tell us your application then we can give you some good suggestions.
Q18：Before Sale Service
1. Your inquiry will be promptly replied to within 24 hours.
2. Well-trained and experienced staff will answer your questions in fluent English.
4. Free design according to customer’s demand.
For more information, please refer to the user manual of the YINGYI micromodel pump, or contact our engineers for one-step technical support.
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